v3.24.0.1
Wireline - Narrative (Details)
3 Months Ended 12 Months Ended
May 01, 2023
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Sep. 06, 2022
USD ($)
wholly_owned_subsidiary
Asset Acquisition [Line Items]            
(Gain) loss on disposal group held for sale     $ (25,000,000) $ 1,087,000,000 $ 0  
Impairment expense     0 $ 477,000,000 $ 0  
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]       Impairment expense    
Sprint            
Asset Acquisition [Line Items]            
Wireline property and equipment   $ 258,000,000        
Wireline Business | Sprint            
Asset Acquisition [Line Items]            
Impairment expense     0 $ 477,000,000    
Operating lease right-of-use assets   212,000,000        
Impairment of other intangible assets   $ 7,000,000        
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Wireline Business            
Asset Acquisition [Line Items]            
Number of subsidiaries owned | wholly_owned_subsidiary           2
Purchase price consideration for the purchased interests $ 1          
Transaction fees payable           $ 700,000,000
Monthly installments due in year one           350,000,000
Monthly installments due thereafter           $ 350,000,000
Monthly installments (in period)           42 months
IP transit services agreement, payment at closing $ 61,000,000          
(Gain) loss on disposal group held for sale     (25,000,000) 1,100,000,000    
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Wireline Business | Other current liabilities            
Asset Acquisition [Line Items]            
Disposal group, fees payable     183,000,000      
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Wireline Business | Other long-term liabilities            
Asset Acquisition [Line Items]            
Disposal group, fees payable     $ 255,000,000      
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Other Wireline Asset Sales            
Asset Acquisition [Line Items]            
(Gain) loss on disposal group held for sale       $ (121,000,000)